Sunflower Thank You Cards (24 Foldover Cards and Envelopes) Thank You Cards & Envelopes (24 cards and envelopes) High Quality Note Card Set Premium 100# Classic Crest Cover Stock with Quality Matching Blank Bright White Envelopes 6" x 8.5" folds to 6" x 4.25" Cards scored but ship flat for easy personalization. Looking for personalized cards? Check out our full line.